CVE-2026-43349

kernel: f2fs: fix to avoid uninit-value access in f2fs_sanity_check_node_footer

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Severity

Unknown

Red Hat Product Security

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CVSS

Review impact separately from score.

Published · May 8, 2026

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel's Flash-Friendly File System (f2fs). This vulnerability allows a local attacker to cause an uninitialized value access in the f2fs_sanity_check_node_footer function. This occurs when the system fails to read data from a device into a folio, potentially leading to information disclosure or system instability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE-824 · Access of Uninitialized Pointer